How can use Imx6ull pwm pin in kernel and userspace

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How can use Imx6ull pwm pin in kernel and userspace

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analogicstechin
Contributor III

HI ,

 I am using imx6ull  pwm pin using in kernel space but unable to use in user space is there any possibility guide me.

below PIN is my custom board connected to buzzer.

MX6UL_PAD_GPIO1_IO09__PWM2_OUT 

please guide us to use buzzer play in user space.

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi

for linux pwm driver description one can look at Chapter 47 Pulse-Width Modulator

(PWM) Driver, overview on

imx6s PWM sysfs 

PWM (Linux) 

linux/arch/arm/boot/dts/imx6ull-14x14-evk.dts

imx6ull-14x14-evk.dts\dts\boot\arm\arch - linux-imx - i.MX Linux kernel 

Best regards
igor
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